diff --git a/ChangeLog b/ChangeLog
index 68cf97d0b..374c6aa5c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -28,7 +28,7 @@ Bugfix
    * Fix potential byte overread when verifying malformed SERVER_HELLO in
      ssl_parse_hello_verify_request() for DTLS. Found by Guido Vranken.
    * Fix check for validity of date when parsing in mbedtls_x509_get_time().
-     Found by subramanyam-c.
+     Found by subramanyam-c. #626
 
 = mbed TLS 2.1.5 branch released 2016-06-28